Hydrogen And Its Compounds Question 227
Question: Among $ CaH_2,NH_2,NaH $ and $ B_2H_6 $ which are covalent hydrides-
Options:
A) $ NH_3 $ and $ B_2H_6 $
B) $ NaH $ and $ CaH_2 $
C) $ NaH $ and $ N{H_3} $
D) $ CaH_2 $ and $ B_2H_6 $
Show Answer
Answer:
Correct Answer: A
Solution:
[a] N and B belong to p-block and since the electronegativity difference between these elements and H is very less, they form covalent hydrides.
BETA
